Home / 13,271.92-19,801.55-10,591.02

Finding the Fourth Proportional to 13,271.92, 19,801.55 and 10,591.02

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Solution

The fourth proportional to 13,271.92, 19,801.55 and 10,591.02 is: 15,801.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,271.92 : 19,801.55 = 10,591.02 : x
  2. Step 2: Convert to fraction form
    13,271.92/19,801.55 = 10,591.02/x
  3. Step 3: Cross multiply
    13,271.92x = 19,801.55 × 10,591.02
  4. Step 4: Simplify right side
    13,271.92x = 209,718,578.98
  5. Step 5: Solve for x
    x = 209,718,578.98/13,271.92
  6. Step 6: Final answer
    x = 15,801.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.